export default {
	namespaced:true,
	
	state:() => ({
		
		
		
		cart:JSON.parse(uni.getStorageSync('cart') || '[]')
	}),
	
	mutations:{
		addToCart(state,goods){
			const findResult = state.cart.find(x => x.goods_id === goods.goods_id)
			
			if (!findResult){
				state.cart.push(goods)
			}else{
				findResult.goods_count ++
			}
			
			this.commit('m_cart/saveToStorage')
		},
		saveToStorage(state){
			uni.setStorageSync('cart',JSON.stringify(state.cart))
		},
		updateGoodsState(state,goods){
			const findResult = state.cart.find(x => x.goods_id === goods.goods_id)
			if (findResult){
				findResult.goods_state = goods.goods_state
				
				this.commit('m_cart/saveToStorage')
			}
		},
		removeGoodsById(state,goods_id){
			state.cart = state.cart.filter(x => x.goods_id !== goods_id)
			
			
			this.commit('m_cart/saveToStorage')
		},
		updateAllGoodsState(state,newState){
			state.cart.forEach(x => x.goods_state = newState)
			
			this.commit('m_cart/saveToStorage')
		}
		
	},
	
	getters:{
		total(state){
			let c = 0
			
			state.cart.forEach(goods => c += goods.goods_count)
			return c
		},
		checkdeCount(state){
			return state.cart.filter(x => x.goods_state).reduce((total,item) => total += item.goods_count,0)
		},
		
		checkedGoodsAmount(state){
			return state.cart.filter(x => x.goods_state).reduce((total,item) => total += item.goods_count * item.goods_price,0).toFixed(2)
		}
		
	},
}